Gate Exam Numerical Ability Algebra

Analytical fun with real part being e^(-y) cos(x)
imginary part is?

Read Solution (Total 3)

Gate Other Question

The diff eqn with
D^2 + 2aD+1 = 0
is having equal roots then
a=?
If x(n) ={n for 0<=n<=10
0, otherwise
y(n)= x(n) * x(n)
then y(4)=?